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authorLi Jun <jun.li@freescale.com>2015-07-09 15:18:45 +0800
committerFelipe Balbi <balbi@ti.com>2015-07-29 09:59:21 -0500
commit79742351c89b76ebcf82b73103aed50f98ac2ee4 (patch)
tree1e73312122dafe00fbc6703d3ce186efc9b44163 /drivers/usb/chipidea/core.c
parentusb: common: add API to update usb otg capabilities by device tree (diff)
downloadlinux-dev-79742351c89b76ebcf82b73103aed50f98ac2ee4.tar.xz
linux-dev-79742351c89b76ebcf82b73103aed50f98ac2ee4.zip
usb: chipidea: set usb otg capabilities
Init and update otg capabilities by DT, set gadget's otg capabilities accordingly. Acked-by: Peter Chen <peter.chen@freescale.com> Reviewed-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Li Jun <jun.li@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/chipidea/core.c')
-rw-r--r--drivers/usb/chipidea/core.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 74fea4fa41b1..1e6d5f0c18f2 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -560,6 +560,8 @@ static irqreturn_t ci_irq(int irq, void *data)
static int ci_get_platdata(struct device *dev,
struct ci_hdrc_platform_data *platdata)
{
+ int ret;
+
if (!platdata->phy_mode)
platdata->phy_mode = of_usb_get_phy_mode(dev->of_node);
@@ -588,6 +590,19 @@ static int ci_get_platdata(struct device *dev,
of_usb_host_tpl_support(dev->of_node);
}
+ if (platdata->dr_mode == USB_DR_MODE_OTG) {
+ /* We can support HNP and SRP of OTG 2.0 */
+ platdata->ci_otg_caps.otg_rev = 0x0200;
+ platdata->ci_otg_caps.hnp_support = true;
+ platdata->ci_otg_caps.srp_support = true;
+
+ /* Update otg capabilities by DT properties */
+ ret = of_usb_update_otg_caps(dev->of_node,
+ &platdata->ci_otg_caps);
+ if (ret)
+ return ret;
+ }
+
if (of_usb_get_maximum_speed(dev->of_node) == USB_SPEED_FULL)
platdata->flags |= CI_HDRC_FORCE_FULLSPEED;